diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 5dd2e520c453..0bbb6567d6f8 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -1360,11 +1360,6 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
       setOperationAction(ISD::CTLZ,             MVT::v2i64,  Legal);
       setOperationAction(ISD::CTLZ,             MVT::v4i32,  Legal);
 
-      setOperationAction(ISD::CTLZ,             MVT::v8i16,  Custom);
-      setOperationAction(ISD::CTLZ,             MVT::v16i8,  Custom);
-      setOperationAction(ISD::CTLZ,             MVT::v16i16, Custom);
-      setOperationAction(ISD::CTLZ,             MVT::v32i8,  Custom);
-
       setOperationAction(ISD::CTTZ_ZERO_UNDEF,  MVT::v8i64,  Custom);
       setOperationAction(ISD::CTTZ_ZERO_UNDEF,  MVT::v16i32, Custom);
       setOperationAction(ISD::CTTZ_ZERO_UNDEF,  MVT::v4i64,  Custom);